SG90 Littelfuse Inc, SG90 Datasheet - Page 3

• Manufacturer Part Number: SG90
• Description: SURGE ARRESTER GDT 90V 2KA SMD
• Manufacturer: Littelfuse Inc
• Series: SGr

Specifications of SG90

• Spark Over Voltage: 90V
• Tolerance: ±30%
• Impulse Discharge Current: 2.0kA 8x20µs
• Package / Case: 1812 (4532 Metric)
• Mounting Type: Surface Mount
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: F4126TR

©2011 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com for current information.
Customer should verify actual device performance in their specific applications.
Device Dimensions
Soldering Parameters - Reflow Soldering (Surface Mount Devices)
Reflow Condition
Pre Heat
Average ramp up rate (Liquidus Temp
(T
T
Reflow
Peak Temperature (T
Time within 5°C of actual peak
Temperature (t
Ramp-down Rate
Time 25°C to peak Temperature (T
Do not exceed
Tape Dimenstions
S(max)
L
) to peak
to T
3
L
Recommended Soldering Pad Layout
- Ramp-up Rate
- Temperature Min (T
- Temperature Max (T
- Time (Min to Max) (t
- Temperature (T
- Temperature (t
Dimensions in Millimeters.
0.5
4.5
p
)
+/- 0.1
+/- 0.3
P
)
8
5.2
2.8
L
L
)
) (Liquidus)
s(min)
s(max)
s
)
P
)
2.7
)
)
3.65
+/- 0.3
60 – 180 secs
60 – 150 seconds
260
10 – 30 seconds
4
Gas Discharge Tube (GDT) Products
SG Series
+0/-5
1.5
3.2
+/- 0.3
Revised: September 26, 2011
65
Part Numbering System and Ordering Information
Packaging
Part Number and Device Type
SGxxx
T
T
S(max)
S(min)
25
T
T
P
L
Surface mount
time to peak temperature
Breakdown Voltage
Series
Device Option Code
(Blank) = Standard device
Square GDT
7 = 7 V
90 = 90V
1 0 = 1 0V
230 = 230V
300 = 300V
3 0 = 3 0V
(t 25ºC to peak)
00 = 00V
20 = 20V
Q
t
Preheat
= Quick Response Version
S
(300V, 350V and 420V only)
SG xxx Q
Ramp-up
2000pcs/reel in tape and reel
Quantity and Packaging
Description
t
t
P
L
Time
Ramp-down
Critical Zone
T
L
to T
SG Series
P